这是一篇关于RS－485接口应用的文章

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这是支持MF RC500 MIFARE 读写集成电路IC的有关射频设计的应用笔记。意在提供对MIFARE 射频接口（ISO 14443A）所需的理解来设计具体天线应用和匹配电路，为了使无接触MIFARE卡通信有最优表现。本文给出了系统的RF部分背景，以及如何为标准应用设计和调试天线的过程概述。详细说明了两种不同的天线和匹配概念以及它们的设计实例。还描述了完整的调试天线的步骤。作为附件的一部分，有兴趣的读者会发现RF接口的详细理论描述-This is to support reading and writing IC MF RC500 MIFARE RF IC design of the Application Notes. Intended to provide MIFARE RF Interface (ISO 14443A) designed to understand the requirements of specific applications and antenna matching circuits, in order to make contactless MIFARE cards have the best communication performance. In this paper, the RF part of the background of the system, as well as standard application for the design and debugging process of an overview of the antenna. Detailed description of the two different concepts of antennas and matching, as well as their design. Also a complete description of the steps to debug the antenna. As part of the annex, interested readers will find the detailed theory of RF Interface Description

ADS1.2中文教程 适合EASYARM开发板的代码开发-Chinese ADS1.2 Guide EASYARM development board for code development

     在老师指导下编的源码，安卓百度地图的，功能还可以，查询公交路线，卫星定位等等等啦，需要从百度地图官网上注册一下，下载钥匙，匹配一下，然后就可以用了。可以运行的程序，起码在我自己电脑上跑的起来，希望对大家有用哈！

sta015t(mp3)的源程序-sta015t (mp3) of the source

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minigui1.3.3是一个轻量级的界面编程语言，基于C开发的界面库，思路清晰简单，很容易上手，占用内存小，在嵌入式系统中，运行很快，适合于嵌入式界面开发

Cypress 68013产品开发原理图-Cypress 68013 product development schematic

SystemC片上系统设计源代码 希望对大家有帮助哈-System-on-Chip Design SystemC source code would like to have everyone help Kazakhstan

arm 44b0在uclinux上的ide驱动，可以用来驱动cf卡，-arm 44b0 Basis in the ide drive and can be used to drive cf card,